1 What is the difference between mitosis and me... - SS1 Biology Cellular Respiration, Excretion And Growth Question
1. What is the difference between mitosis and meiosis?
MITOSIS |
MEIOSIS |
The purpose of mitosis is growth, tissue repair, and asexual reproduction. It produces identical cells |
The purpose of meiosis is the production of gametes (sperm and egg cells) for sexual reproduction. It creates genetically diverse cells |
There is only one division, resulting in two daughter cells |
There are two divisions, resulting in four daughter cells |
The chromosome number in daughter cells is the same as the parent cell (diploid) |
The chromosome number in daughter cells is reduced by half compared to the parent cell (haploid) |
Genetic variation is minimal as the daughter cells are genetically identical to the parent cell |
Genetic variation is significant due to processes like crossing over, where genetic material is exchanged between chromosomes |
Mitosis occurs in most cells of the body for growth and repair |
Meiosis occurs only in specialized cells called germ cells, which produce gametes |
Daughter cells are genetically identical to each other and the parent cell |
Daughter cells are genetically different from each other and the parent cell |
The resulting cells are diploid (two sets of chromosomes) |
The resulting cells are haploid (one set of chromosomes) |
Mitosis can be involved in asexual reproduction, where offspring are genetically identical to the parent |
Meiosis is involved in sexual reproduction, where offspring inherit traits from both parents |
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